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| author | Ulrich Drepper <drepper@redhat.com> | 2002-09-15 02:37:32 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2002-09-15 02:37:32 +0000 |
| commit | 7ae4abe9af5d7c76c7ab01a72aebe307a06120e1 (patch) | |
| tree | 18fca0dd7b02623bec5e7e8d1f39aae93f50c68a /sysdeps/generic/libc-start.c | |
| parent | df17727a5efa1a5447e970e31cf9673a7f508fba (diff) | |
| download | glibc-7ae4abe9af5d7c76c7ab01a72aebe307a06120e1.tar.gz glibc-7ae4abe9af5d7c76c7ab01a72aebe307a06120e1.tar.xz glibc-7ae4abe9af5d7c76c7ab01a72aebe307a06120e1.zip | |
Update.
2002-09-14 Ulrich Drepper <drepper@redhat.com> * include/unistd.h: Declare __exit_thread. * sysdeps/generic/libc-start.c: Remove dummy_addr. Wrap call to main in setjmp if HAVE_CANCELBUF is defined. * sysdeps/unix/sysv/linux/exit-thread.S: New file. * sysdeps/unix/sysv/linux/_exit.c: New file. * sysdeps/unix/sysv/linux/i386/_exit.S: New file. * sysdeps/unix/sysv/linux/Makefile [subdir==posix] (sysdep_routines): Add exit-thread. * configure.in: Add dl_iterate_phdr to test using -nostdlib.
Diffstat (limited to 'sysdeps/generic/libc-start.c')
| -rw-r--r-- | sysdeps/generic/libc-start.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/sysdeps/generic/libc-start.c b/sysdeps/generic/libc-start.c index 8d523e6836..c619341e56 100644 --- a/sysdeps/generic/libc-start.c +++ b/sysdeps/generic/libc-start.c @@ -29,8 +29,8 @@ weak_extern (_dl_starting_up) extern int __libc_multiple_libcs; extern void *__libc_stack_end; +#include <tls.h> #ifndef SHARED -# include <tls.h> extern void __pthread_initialize_minimal (void) # if !(USE_TLS - 0) __attribute__ ((weak)) @@ -63,17 +63,15 @@ BP_SYM (__libc_start_main) (int (*main) (int, char **, char **), # define argv ubp_av #endif + /* Result of the 'main' function. */ + int result; + #ifndef SHARED # ifdef HAVE_AUX_VECTOR void *__unbounded *__unbounded auxvec; # endif - /* The next variable is only here to work around a bug in gcc <= 2.7.2.2. - If the address would be taken inside the expression the optimizer - would try to be too smart and throws it away. Grrr. */ - int *dummy_addr = &_dl_starting_up; - - __libc_multiple_libcs = dummy_addr && !_dl_starting_up; + __libc_multiple_libcs = &_dl_starting_up && !_dl_starting_up; #endif INIT_ARGV_and_ENVIRON; @@ -137,5 +135,23 @@ BP_SYM (__libc_start_main) (int (*main) (int, char **, char **), _dl_debug_printf ("\ntransferring control: %s\n\n", argv[0]); #endif - exit ((*main) (argc, argv, __environ)); +#ifdef HAVE_CANCELBUF + if (setjmp (THREAD_SELF->cancelbuf) == 0) +#endif + { + /* XXX This is where the try/finally handling must be used. */ + + result = main (argc, argv, __environ); + } +#ifdef HAVE_CANCELBUF + else + { + /* XXX We should free the thread-specific data. */ + + /* Not much left to do but to exit the thread, not the process. */ + __exit_thread (0); + } +#endif + + exit (result); } |